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/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include "knot/conf/conf.h"
/*!
* General note:
*
* Those functions operate and manipulate with conf() singleton.
* Thus they are not threadsafe etc.
* It is expected to use them just inside the main() function.
*
* Those functions already log any error, while returning an errcode.
*/
/*!
* \brief Return true if conf() for utilities already exists.
*/
bool util_conf_initialized(void);
/*!
* \brief Initialize conf() for utilities from a configuration database.
*
* \param confdb Path to configuration database.
*
* \return KNOT_E*
*/
int util_conf_init_confdb(const char *confdb);
/*!
* \brief Initialize conf() for utilities from a config file.
*
* \param conffile Path to Knot configuration file.
*
* \return KNOT_E*
*/
int util_conf_init_file(const char *conffile);
/*!
* \brief Initialize basic conf() for utilities just with defaults and some database path.
*
* \param db_type Type of the database to be configured.
* \param db_path Path to that database.
*
* \return KNOT_E*
*/
int util_conf_init_justdb(const char *db_type, const char *db_path);
/*!
* \brief Initialize conf() for utilities based on existence of confDB or config
* file on default locations.
*
* \param allow_db Direct path to a database is allowed.
*
* \return KNOT_E*
*/
int util_conf_init_default(bool allow_db);
/*!
* \brief Set UID and GID of running utility process to what is configured...
*
* ...so that e.g. opened files have correct owner.
*/
void util_update_privileges(void);
/*!
* \brief Deinitialize utility conf() from util_conf_init_*().
*/
void util_conf_deinit(void);
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